Share-Based Compensation Schedule of Stock Option Plans (Details)	12 Months Ended
Dec. 31, 2012
Share-based Compensation, Stock Option Plans [Abstract]
Number of frozen stock option plans	2

Number of frozen plans the Company has related to stock options.

No definition available.

Name:	citz_NumberOfStockOptionPlans
Namespace Prefix:	citz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration